So what i did is find the total resistance of R2 &R5 its 333 ohms
then added R1 + R3+R4 , So 100+333+1500 = 1933 ohms
Find the total amps At=0.10 amps
Then did R1 x At = 1.03 volts
and so on but i think i screwed up somewhere ?

But are R2, R3, R4, and R5 all in parallel? Remember, components are in parallel only if the exact same voltage appears across all of them. Is the voltages across each of these four resistors the same?

You are trying to just throw values at regurgitated formulas without taking the time to think whether or not those formulas apply.

Take it step by step. Identify two components that are either in series or in parallel. Then combine just those two components and replace them with their equivalent. Then repeat this process until you get down to just a single equivalent component.

If R3 has some current flowing in it, must that same current also flow through R4? If so, then they are in series. So replace them with a single resistor, perhaps called R34, that is the series equivalent of R3 and R4. Redraw the circuit with that replacement. Then go from there.

So what i did is find the total resistance of R2 &R5 its 333 ohms
then added R1 + R3+R4 , So 100+333+1500 = 1933 ohms
Find the total amps At=0.10 amps
Then did R1 x At = 1.03 volts
and so on but i think i screwed up somewhere ?

It might be easier to understand if you redraw the circuit as you go along step by step.
Figure R2 and R5 in parallel then redraw the circuit with R2||R5 as one resistor.
Figure R3 and R5 in series then redraw the circuit with R3+R4 as one resistor.
Then figure these two resistors in parallel.
Then add R1.

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Draw a circuit in which R3 and R4 have been replaced by their series equivalent. It should look something like this example:

You are trying to do too much at once and it is clear you aren't ready for that yet and that you are making needless mistakes as a result. Don't worry, we were all there at one point and you will quickly move past the need to be so painstakingly careful.

Finding R4 voltage.
After you find the total resistance of R2, R3, R4 and R5 consider a simple series circuit made of R1 and R2345. Find the voltage across R2345. Then consider the series circuit of R3 and R4 to find the current through R3 and R4, then the voltage across R4.

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Super. 20 V did you say? Total resistance divided into voltage gives you current. Current times R2345 ohms gives you voltage across R2345.
R2345 voltage divided by R34 voltage give you R34 current,
R34 current times R4 gives you voltage across R4.